Finding the Third Proportional to 404,169 and 879,294

Step by Step Solution

1. Step 1: Write the proportion equation
   404,169 : 879,294 = 879,294 : x
2. Step 2: Convert to fraction form
   404,169/879,294 = 879,294/x
3. Step 3: Cross multiply
   404,169x = 879,294 × 879,294
4. Step 4: Simplify right side
   404,169x = 773,157,938,436
5. Step 5: Solve for x
   x = 773,157,938,436/404,169
6. Step 6: Final answer
   x = 1,912,957.05